1263125

素因数分解:

$5^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 20

約数和(自身を含む): 1649472

約数和(自身を除く): 386347

約数列:

[1, 5, 25, 43, 47, 125, 215, 235, 625, 1075, 1175, 2021, 5375, 5875, 10105, 26875, 29375, 50525, 252625, 1263125]

約数ペア:

[(1, 1263125), (5, 252625), (25, 50525), (43, 29375), (47, 26875), (125, 10105), (215, 5875), (235, 5375), (625, 2021), (1075, 1175)]